mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 08:31:03 +00:00
ef565a53ea
Since we must run a PCI BIOS ROM, and this can take a calamitous amount of time, measure it using bootstage. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
|
|
*
|
|
* Vesa frame buffer driver for x86
|
|
*
|
|
* Copyright (C) 2014 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <pci_rom.h>
|
|
#include <video_fb.h>
|
|
#include <vbe.h>
|
|
|
|
/*
|
|
* The Graphic Device
|
|
*/
|
|
GraphicDevice ctfb;
|
|
|
|
/* Devices to allow - only the last one works fully */
|
|
struct pci_device_id vesa_video_ids[] = {
|
|
{ .vendor = 0x102b, .device = 0x0525 },
|
|
{ .vendor = 0x1002, .device = 0x5159 },
|
|
{ .vendor = 0x1002, .device = 0x4752 },
|
|
{ .vendor = 0x1002, .device = 0x5452 },
|
|
{ .vendor = 0x8086, .device = 0x0f31 },
|
|
{},
|
|
};
|
|
|
|
void *video_hw_init(void)
|
|
{
|
|
GraphicDevice *gdev = &ctfb;
|
|
int bits_per_pixel;
|
|
pci_dev_t dev;
|
|
int ret;
|
|
|
|
printf("Video: ");
|
|
if (vbe_get_video_info(gdev)) {
|
|
/* TODO: Should we look these up by class? */
|
|
dev = pci_find_devices(vesa_video_ids, 0);
|
|
if (dev == -1) {
|
|
printf("no card detected\n");
|
|
return NULL;
|
|
}
|
|
bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display");
|
|
ret = pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE |
|
|
PCI_ROM_ALLOW_FALLBACK);
|
|
bootstage_accum(BOOTSTAGE_ID_ACCUM_LCD);
|
|
if (ret) {
|
|
printf("failed to run video BIOS: %d\n", ret);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if (vbe_get_video_info(gdev)) {
|
|
printf("No video mode configured\n");
|
|
return NULL;
|
|
}
|
|
|
|
bits_per_pixel = gdev->gdfBytesPP * 8;
|
|
sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
|
|
bits_per_pixel);
|
|
printf("%s\n", gdev->modeIdent);
|
|
debug("Frame buffer at %x\n", gdev->pciBase);
|
|
|
|
return (void *)gdev;
|
|
}
|